Wang, Jianjun http://orcid.org/0000-0002-8119-4104
Simoneit, Bernd R. T.
Sheng, Guoying
Chen, Liqi
Xu, Libin
Wang, Xinming http://orcid.org/0000-0002-1982-0928
Wang, Yuhong
Sun, Liguang
Article History
Received: 17 July 2017
Accepted: 25 October 2017
First Online: 7 November 2017
Competing Interests
: The authors declare that they have no competing interests.